The idle control valve needs to be replaced. It's mounted behind the throttle body. Just replaced mine to fix same problem. Cost $65.00 at auto parts store.
they are one and the same
The 2004 Ford Excursion wheelbase is ( 137 inches )
If your 1976 Ford with 360 won't idle, check to ensure the air filter and fuel filter are free from debris. This can also indicate a problem with the carburetor.
2005 was the last model year for the Ford Excursion
( The 2000 ) was the first model year of the Ford Excursion
how do i drop the fuel tank on a FORD EXCURSION 5.4L
For a 2000 Ford Excursion : ( 166.6 litres / 44.0 U.S. gallons )
There are ( 2 ) valve covers on the engine in a Ford Excursion V8 engine
Ford
On a 2005 Ford Excursion, the idle air control (IAC) valve is typically located on the throttle body, which is situated on the intake manifold. It can be found near the intake air duct and is usually held in place by a couple of screws. Accessing it may require removing some components, depending on the engine configuration. Always consult the vehicle's service manual for specific instructions and diagrams.
On a 2004 Ford Excursion : ( 166.6 liters / 44.0 U.S. gallons )
A 2005 Ford Excursion has a 44 U.S. gallon tank ( 166.4 liters )